/* ============================================================
   资讯中心频道样式
   ============================================================ */

/* ---- 分类入口（水平标签） ---- */
.category-tabs-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-white);
}

.category-tabs {
    display: flex;
    gap: var(--spacing-xs);
    flex-wrap: wrap;
    justify-content: center;
    max-width: 800px;
    margin: 0 auto;
}

.category-tab {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 8px 20px;
    font-size: 14px;
    font-weight: 500;
    color: var(--color-gray-600);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    border-radius: var(--radius-sharp, 0px);
    transition: all var(--transition-smooth);
    text-decoration: none;
}

    .category-tab:hover {
        background: var(--color-gray-100);
        color: var(--color-navy);
        transform: translateY(-2px);
    }

    .category-tab.active {
        background: var(--color-navy);
        color: var(--color-white);
        border-color: var(--color-navy);
    }

/* ---- 精选头条（左大右小） ---- */
.featured-section {
    padding: var(--spacing-2xl) 0;
    background: var(--color-gray-50);
}

.featured-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: var(--spacing-lg);
}

.featured-headline {
    position: relative;
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    overflow: hidden;
    transition: all var(--transition-smooth);
    text-decoration: none;
    color: inherit;
    display: block;
}

    .featured-headline:hover {
        transform: translateY(-4px);
        box-shadow: 0 12px 40px rgba(0, 0, 0, 0.06);
    }

    .featured-headline .headline-image {
        aspect-ratio: 4 / 3;
        overflow: hidden;
    }

        .featured-headline .headline-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

    .featured-headline:hover .headline-image img {
        transform: scale(1.02);
    }

    .featured-headline .headline-body {
        padding: var(--spacing-lg);
    }

        .featured-headline .headline-body .headline-category {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            color: var(--color-red);
            letter-spacing: 0.5px;
            text-transform: uppercase;
            margin-bottom: 4px;
        }

        .featured-headline .headline-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-navy);
            margin: 0 0 8px;
            line-height: 1.3;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-headline .headline-body p {
            font-size: 14px;
            color: var(--color-gray-500);
            margin: 0;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-headline .headline-body .headline-meta {
            margin-top: var(--spacing-sm);
            font-size: 13px;
            color: var(--color-gray-400);
        }

/* ---- 右侧精选列表 ---- */
.featured-sublist {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-sm);
}

.featured-sub-item {
    display: flex;
    gap: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-gray-200);
    padding: var(--spacing-sm);
    transition: all var(--transition-smooth);
    text-decoration: none;
    color: inherit;
}

    .featured-sub-item:hover {
        transform: translateX(4px);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        border-color: var(--color-gray-300);
    }

    .featured-sub-item .sub-image {
        flex: 0 0 120px;
        aspect-ratio: 4 / 3;
        overflow: hidden;
    }

        .featured-sub-item .sub-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

    .featured-sub-item:hover .sub-image img {
        transform: scale(1.02);
    }

    .featured-sub-item .sub-body {
        flex: 1;
        display: flex;
        flex-direction: column;
        justify-content: center;
    }

        .featured-sub-item .sub-body .sub-category {
            font-size: 10px;
            font-weight: 600;
            color: var(--color-red);
            letter-spacing: 0.5px;
            text-transform: uppercase;
        }

        .featured-sub-item .sub-body h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-navy);
            margin: 2px 0 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .featured-sub-item .sub-body .sub-meta {
            font-size: 12px;
            color: var(--color-gray-400);
        }

/* ---- 各分类资讯 ---- */
.category-news-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

.category-news-block {
    margin-bottom: var(--spacing-2xl);
}

    .category-news-block:last-child {
        margin-bottom: 0;
    }

    .category-news-block .block-header {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: var(--spacing-md);
        padding-bottom: var(--spacing-xs);
        border-bottom: 2px solid var(--color-gray-100);
    }

        .category-news-block .block-header h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-navy);
            font-family: var(--font-serif);
            margin: 0;
        }

        .category-news-block .block-header .block-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-red);
            text-decoration: none;
            transition: all var(--transition-base);
        }

            .category-news-block .block-header .block-link:hover {
                color: var(--color-red-light);
            }

            .category-news-block .block-header .block-link .arrow {
                display: inline-block;
                transition: transform var(--transition-base);
            }

            .category-news-block .block-header .block-link:hover .arrow {
                transform: translateX(4px);
            }

.category-news-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

.category-news-item {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-smooth);
    overflow: hidden;
}

    .category-news-item:hover {
        transform: translateY(-4px);
        box-shadow: 0 8px 24px rgba(0, 0, 0, 0.04);
        border-color: var(--color-gray-200);
    }

    .category-news-item .item-image {
        aspect-ratio: 4 / 3;
        overflow: hidden;
    }

        .category-news-item .item-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

    .category-news-item:hover .item-image img {
        transform: scale(1.02);
    }

    .category-news-item .item-body {
        padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
    }

        .category-news-item .item-body .item-title {
            font-size: 15px;
            font-weight: 600;
            color: var(--color-navy);
            margin: 0 0 4px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .category-news-item .item-body .item-meta {
            font-size: 12px;
            color: var(--color-gray-400);
        }

/* ============================================================
   资讯分类页
   ============================================================ */

.category-list-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

/* ---- 左右布局 ---- */
.category-list-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--spacing-xl);
}

/* ============================================================
   左侧：资讯列表
   ============================================================ */

/* ---- 列表项 ---- */
.news-list {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-md);
}

.news-list-item {
    display: flex;
    gap: var(--spacing-md);
    padding: var(--spacing-md);
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    transition: all var(--transition-smooth);
    text-decoration: none;
    color: inherit;
}

    .news-list-item:hover {
        transform: translateX(4px);
        box-shadow: 0 4px 16px rgba(0, 0, 0, 0.04);
        border-color: var(--color-gray-200);
    }

    /* ---- 列表图片 ---- */
    .news-list-item .list-image {
        flex: 0 0 200px;
        aspect-ratio: 4 / 3;
        overflow: hidden;
        background: var(--color-gray-100);
    }

        .news-list-item .list-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

    .news-list-item:hover .list-image img {
        transform: scale(1.02);
    }

.list-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-300);
}

    .list-image-placeholder i {
        width: 32px;
        height: 32px;
        stroke-width: 1.5;
    }

/* ---- 列表内容 ---- */
.news-list-item .list-body {
    flex: 1;
    display: flex;
    flex-direction: column;
    justify-content: center;
    min-width: 0;
}

    .news-list-item .list-body .list-category {
        display: inline-block;
        font-size: 11px;
        font-weight: 600;
        color: var(--color-red);
        letter-spacing: 0.5px;
        text-transform: uppercase;
        margin-bottom: 2px;
    }

    .news-list-item .list-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--color-navy);
        margin: 0 0 4px;
        line-height: 1.3;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .news-list-item .list-body .list-summary {
        font-size: 14px;
        color: var(--color-gray-500);
        margin: 0 0 8px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

/* ---- 元信息 ---- */
.list-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    font-size: 13px;
    color: var(--color-gray-400);
}

    .list-meta span {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .list-meta .meta-icon {
        width: 14px;
        height: 14px;
        color: var(--color-gray-400);
        stroke-width: 2;
    }

/* ============================================================
   右侧：侧边栏
   ============================================================ */

.category-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ---- 侧边栏小部件 ---- */
.sidebar-widget {
    background: var(--color-gray-50);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-100);
}

    .sidebar-widget h4 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 700;
        color: var(--color-navy);
        margin: 0 0 var(--spacing-md);
        padding-bottom: var(--spacing-xs);
        border-bottom: 2px solid var(--color-gray-200);
    }

.widget-title-icon {
    width: 18px;
    height: 18px;
    color: var(--color-red);
    stroke-width: 2;
}

/* ---- 分类导航 ---- */
.widget-cat-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--color-gray-600);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all var(--transition-base);
}

    .widget-cat-link:hover {
        color: var(--color-navy);
        background: var(--color-white);
    }

    .widget-cat-link.active {
        color: var(--color-red);
        border-left-color: var(--color-red);
        background: var(--color-white);
    }

.widget-cat-icon {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
    stroke-width: 1.8;
    flex-shrink: 0;
}

.widget-cat-link.active .widget-cat-icon {
    color: var(--color-red);
}

/* ---- 热门资讯 ---- */
.widget-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 8px;
    padding: 6px 0;
    border-bottom: 1px solid var(--color-gray-100);
    font-size: 14px;
    color: var(--color-gray-600);
    text-decoration: none;
    transition: all var(--transition-base);
}

    .widget-item:last-child {
        border-bottom: none;
    }

    .widget-item:hover {
        color: var(--color-navy);
        padding-left: 4px;
    }

.widget-item-title {
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 1;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.widget-view {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--color-gray-400);
    flex-shrink: 0;
}

.widget-view-icon {
    width: 14px;
    height: 14px;
    stroke-width: 2;
}

/* ---- 侧边栏广告 ---- */
.sidebar-ad-widget {
    padding: 0;
    background: transparent;
    border: none;
}

/* ============================================================
   空状态
   ============================================================ */

.news-empty {
    text-align: center;
    padding: var(--spacing-2xl) 0;
    color: var(--color-gray-400);
}

    .news-empty .empty-icon {
        display: block;
        margin-bottom: var(--spacing-md);
        color: var(--color-gray-300);
    }

        .news-empty .empty-icon i {
            width: 48px;
            height: 48px;
            stroke-width: 1.5;
        }

    .news-empty p {
        font-size: 18px;
        margin: 0;
    }

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 992px) {
    .category-list-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .category-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }
}

@media (max-width: 768px) {
    .category-list-section {
        padding: var(--spacing-xl) 0;
    }

    .news-list-item {
        flex-direction: column;
        padding: var(--spacing-sm);
        gap: var(--spacing-sm);
    }

        .news-list-item .list-image {
            flex: 1 1 auto;
            width: 100%;
            aspect-ratio: 16 / 9;
        }

        .news-list-item .list-body h3 {
            font-size: 16px;
        }

        .news-list-item .list-body .list-summary {
            font-size: 13px;
        }

    .list-meta {
        gap: var(--spacing-xs);
        font-size: 12px;
        flex-wrap: wrap;
    }

        .list-meta .meta-icon {
            width: 12px;
            height: 12px;
        }

    .category-sidebar {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .sidebar-widget {
        padding: var(--spacing-md);
    }

    .widget-item {
        font-size: 13px;
        padding: 4px 0;
    }

    .widget-view {
        font-size: 11px;
    }

    .news-empty .empty-icon i {
        width: 36px;
        height: 36px;
    }

    .news-empty p {
        font-size: 16px;
    }
}

@media (max-width: 480px) {
    .news-list-item .list-body h3 {
        font-size: 15px;
    }

    .news-list-item .list-body .list-summary {
        font-size: 12px;
        -webkit-line-clamp: 1;
    }

    .list-meta {
        gap: 4px 8px;
        font-size: 11px;
    }

    .widget-cat-link {
        font-size: 13px;
        padding: 4px 10px;
    }

    .widget-item {
        font-size: 12px;
    }
}

/* ============================================================
   资讯详情页
   ============================================================ */

.news-detail-section {
    padding: var(--spacing-3xl) 0;
    background: var(--color-white);
}

/* ---- 左右布局 ---- */
.news-detail-layout {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: var(--spacing-xl);
}

/* ============================================================
   左侧主内容
   ============================================================ */

/* ---- 面包屑 ---- */
.detail-breadcrumb {
    font-size: 14px;
    color: var(--color-gray-500);
    margin-bottom: var(--spacing-lg);
}

    .detail-breadcrumb a {
        color: var(--color-gray-500);
        text-decoration: none;
        transition: color var(--transition-base);
    }

        .detail-breadcrumb a:hover {
            color: var(--color-navy);
        }

    .detail-breadcrumb .separator {
        margin: 0 6px;
        color: var(--color-gray-300);
    }

    .detail-breadcrumb span:last-child {
        color: var(--color-gray-700);
        font-weight: 500;
    }

/* ---- 标题 ---- */
.detail-title {
    font-size: 32px;
    font-weight: 700;
    color: var(--color-navy);
    font-family: var(--font-serif);
    line-height: 1.3;
    margin: 0 0 var(--spacing-sm);
}

/* ---- 元信息 ---- */
.detail-meta {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-md);
    padding-bottom: var(--spacing-md);
    border-bottom: 1px solid var(--color-gray-100);
    margin-bottom: var(--spacing-lg);
    font-size: 14px;
    color: var(--color-gray-400);
}

    .detail-meta span {
        display: flex;
        align-items: center;
        gap: 4px;
    }

    .detail-meta .meta-icon {
        width: 16px;
        height: 16px;
        color: var(--color-gray-400);
        stroke-width: 2;
    }

/* ---- 封面图 ---- */
.detail-cover {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-gray-100);
    margin-bottom: var(--spacing-lg);
}

    .detail-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        cursor: pointer;
        transition: transform var(--transition-smooth);
    }

        .detail-cover img:hover {
            transform: scale(1.02);
        }

/* ---- 正文内容（富文本） ---- */
.detail-content {
    font-size: 17px;
    line-height: 2;
    color: var(--color-gray-700);
}

    .detail-content p {
        margin-bottom: var(--spacing-md);
    }

    .detail-content h2,
    .detail-content h3,
    .detail-content h4 {
        margin-top: var(--spacing-xl);
        margin-bottom: var(--spacing-sm);
        color: var(--color-navy);
        font-family: var(--font-serif);
        font-weight: 700;
    }

    .detail-content h2 {
        font-size: 26px;
    }

    .detail-content h3 {
        font-size: 22px;
    }

    .detail-content h4 {
        font-size: 19px;
    }

    .detail-content ul,
    .detail-content ol {
        padding-left: var(--spacing-lg);
        margin-bottom: var(--spacing-md);
    }

    .detail-content li {
        margin-bottom: 4px;
    }

    .detail-content blockquote {
        padding: var(--spacing-md) var(--spacing-lg);
        border-left: 4px solid var(--color-red);
        background: var(--color-gray-50);
        margin: var(--spacing-md) 0;
        font-style: italic;
        color: var(--color-gray-600);
    }

        .detail-content blockquote p:last-child {
            margin-bottom: 0;
        }

    .detail-content img {
        max-width: 100%;
        height: auto;
        margin: var(--spacing-md) 0;
        border-radius: var(--radius-sharp, 0px);
    }

    .detail-content table {
        width: 100%;
        border-collapse: collapse;
        margin: var(--spacing-md) 0;
    }

        .detail-content table th,
        .detail-content table td {
            padding: 8px 12px;
            border: 1px solid var(--color-gray-200);
        }

        .detail-content table th {
            background: var(--color-gray-50);
            font-weight: 600;
            color: var(--color-navy);
        }

/* ---- 标签 ---- */
.detail-tags {
    display: flex;
    flex-wrap: wrap;
    gap: var(--spacing-xs);
    padding-top: var(--spacing-md);
    border-top: 1px solid var(--color-gray-100);
    margin-top: var(--spacing-lg);
}

.detail-tag {
    padding: 2px 14px;
    font-size: 12px;
    color: var(--color-gray-500);
    background: var(--color-gray-50);
    border: 1px solid var(--color-gray-100);
    border-radius: 20px;
    transition: all var(--transition-base);
}

    .detail-tag:hover {
        color: var(--color-navy);
        border-color: var(--color-gray-300);
    }

/* ---- 上一篇 / 下一篇 ---- */
.detail-nav {
    display: flex;
    justify-content: space-between;
    padding-top: var(--spacing-md);
    margin-top: var(--spacing-lg);
    border-top: 1px solid var(--color-gray-100);
    gap: var(--spacing-md);
}

    .detail-nav a,
    .detail-nav .nav-disabled {
        display: flex;
        flex-direction: column;
        gap: 2px;
        font-size: 14px;
        text-decoration: none;
        transition: all var(--transition-base);
        max-width: 45%;
    }

    .detail-nav a {
        color: var(--color-gray-500);
    }

        .detail-nav a:hover {
            color: var(--color-navy);
        }

    .detail-nav .nav-disabled {
        color: var(--color-gray-300);
        cursor: default;
    }

    .detail-nav .nav-label {
        font-size: 12px;
        color: var(--color-gray-400);
    }

    .detail-nav a .nav-label {
        color: var(--color-gray-400);
    }

    .detail-nav a:hover .nav-label {
        color: var(--color-red);
    }

    .detail-nav .nav-title {
        display: -webkit-box;
        -webkit-line-clamp: 1;
        -webkit-box-orient: vertical;
        overflow: hidden;
        font-weight: 500;
    }

    .detail-nav .nav-prev {
        align-items: flex-start;
    }

    .detail-nav .nav-next {
        align-items: flex-end;
        text-align: right;
    }

/* ============================================================
   右侧侧边栏
   ============================================================ */

.news-sidebar {
    display: flex;
    flex-direction: column;
    gap: var(--spacing-lg);
}

/* ---- 侧边栏小部件（复用分类页样式） ---- */
.sidebar-widget {
    background: var(--color-gray-50);
    padding: var(--spacing-lg);
    border: 1px solid var(--color-gray-100);
}

    .sidebar-widget h4 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 16px;
        font-weight: 700;
        color: var(--color-navy);
        margin: 0 0 var(--spacing-md);
        padding-bottom: var(--spacing-xs);
        border-bottom: 2px solid var(--color-gray-200);
    }

.widget-title-icon {
    width: 18px;
    height: 18px;
    color: var(--color-red);
    stroke-width: 2;
}

/* ---- 分类导航 ---- */
.widget-cat-link {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 6px 12px;
    font-size: 14px;
    color: var(--color-gray-600);
    text-decoration: none;
    border-left: 2px solid transparent;
    transition: all var(--transition-base);
}

    .widget-cat-link:hover {
        color: var(--color-navy);
        background: var(--color-white);
    }

    .widget-cat-link.active {
        color: var(--color-red);
        border-left-color: var(--color-red);
        background: var(--color-white);
    }

.widget-cat-icon {
    width: 16px;
    height: 16px;
    color: var(--color-gray-400);
    stroke-width: 1.8;
    flex-shrink: 0;
}

.widget-cat-link.active .widget-cat-icon {
    color: var(--color-red);
}

/* ---- 侧边栏广告 ---- */
.sidebar-ad-widget {
    padding: 0;
    background: transparent;
    border: none;
}

/* ============================================================
   相关推荐
   ============================================================ */

.related-section {
    padding: var(--spacing-3xl) 0;
}

/* ---- 相关推荐头部 ---- */
.related-header {
    text-align: center;
    margin-bottom: var(--spacing-xl);
}

    .related-header h2 {
        font-size: 28px;
        font-weight: 700;
        color: var(--color-navy);
        font-family: var(--font-serif);
        margin: 0 0 4px;
    }

    .related-header p {
        font-size: 15px;
        color: var(--color-gray-500);
        margin: 0;
    }

/* ---- 相关推荐网格 ---- */
.related-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: var(--spacing-md);
}

/* ---- 相关推荐项 ---- */
.related-item {
    display: block;
    text-decoration: none;
    color: inherit;
    background: var(--color-white);
    border: 1px solid var(--color-gray-100);
    overflow: hidden;
    transition: all var(--transition-smooth);
}

    .related-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
        border-color: var(--color-gray-200);
    }

.related-image {
    aspect-ratio: 16 / 9;
    overflow: hidden;
    background: var(--color-gray-100);
}

    .related-image img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-smooth);
    }

.related-item:hover .related-image img {
    transform: scale(1.02);
}

.related-image-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--color-gray-300);
}

    .related-image-placeholder i {
        width: 32px;
        height: 32px;
        stroke-width: 1.5;
    }

.related-body {
    padding: var(--spacing-sm) var(--spacing-md) var(--spacing-md);
}

.related-title {
    font-size: 15px;
    font-weight: 600;
    color: var(--color-navy);
    line-height: 1.4;
    margin: 0 0 4px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color var(--transition-base);
}

.related-item:hover .related-title {
    color: var(--color-red);
}

.related-meta {
    display: flex;
    align-items: center;
    gap: 4px;
    font-size: 12px;
    color: var(--color-gray-400);
}

.related-meta-icon {
    width: 14px;
    height: 14px;
    color: var(--color-gray-400);
    stroke-width: 2;
}

/* ============================================================
   响应式
   ============================================================ */

@media (max-width: 992px) {
    .news-detail-layout {
        grid-template-columns: 1fr;
        gap: var(--spacing-lg);
    }

    .news-sidebar {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: var(--spacing-md);
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }
}

@media (max-width: 768px) {
    .news-detail-section {
        padding: var(--spacing-xl) 0;
    }

    .detail-title {
        font-size: 24px;
    }

    .detail-content {
        font-size: 15px;
    }

        .detail-content h2 {
            font-size: 22px;
        }

        .detail-content h3 {
            font-size: 19px;
        }

        .detail-content h4 {
            font-size: 17px;
        }

    .detail-nav {
        flex-direction: column;
        gap: var(--spacing-sm);
    }

        .detail-nav a,
        .detail-nav .nav-disabled {
            max-width: 100%;
        }

        .detail-nav .nav-next {
            align-items: flex-start;
            text-align: left;
        }

    .news-sidebar {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .sidebar-widget {
        padding: var(--spacing-md);
    }

    .related-section {
        padding: var(--spacing-xl) 0;
    }

    .related-header h2 {
        font-size: 22px;
    }

    .related-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: var(--spacing-sm);
    }

    .related-title {
        font-size: 14px;
    }
}

@media (max-width: 480px) {
    .detail-title {
        font-size: 20px;
    }

    .detail-meta {
        gap: var(--spacing-xs);
        font-size: 12px;
        flex-wrap: wrap;
    }

        .detail-meta .meta-icon {
            width: 14px;
            height: 14px;
        }

    .detail-content {
        font-size: 14px;
        line-height: 1.8;
    }

        .detail-content h2 {
            font-size: 19px;
        }

        .detail-content h3 {
            font-size: 17px;
        }

        .detail-content h4 {
            font-size: 15px;
        }

    .detail-tag {
        font-size: 11px;
        padding: 1px 10px;
    }

    .related-grid {
        grid-template-columns: 1fr;
        gap: var(--spacing-sm);
    }

    .related-title {
        font-size: 14px;
    }

    .sidebar-widget {
        padding: var(--spacing-sm);
    }

    .widget-cat-link {
        font-size: 13px;
        padding: 4px 10px;
    }
}